Home / 4,621.72-6,382.64-2,943.88

Finding the Fourth Proportional to 4,621.72, 6,382.64 and 2,943.88

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Solution

The fourth proportional to 4,621.72, 6,382.64 and 2,943.88 is: 4,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.72 : 6,382.64 = 2,943.88 : x
  2. Step 2: Convert to fraction form
    4,621.72/6,382.64 = 2,943.88/x
  3. Step 3: Cross multiply
    4,621.72x = 6,382.64 × 2,943.88
  4. Step 4: Simplify right side
    4,621.72x = 18,789,726.24
  5. Step 5: Solve for x
    x = 18,789,726.24/4,621.72
  6. Step 6: Final answer
    x = 4,065.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.